function transferCorrection(main, filterToGetID)

%% Notacion
    order = main.(filterToGetID).order;
    approximationType = main.(filterToGetID).approximationType;
    ap = main.template.ap;

    %% Correction
    switch approximationType
        case 2
        
            if (~mod(order,2))
                main.(filterToGetID).transferFunction = (10^(-ap/20)) * main.(filterToGetID).transferFunction;
            end
%         case 5
%             if (~mod(order,2))
%             main.(filterToGetID).transferFunction = (10^(-ap/20)) * main.(filterToGetID).transferFunction;
%             end
    end
end